5,6-Dihydro-4H-cyclopenta[d][1,3]thiazole-2-thiol CAS 88871-84-5
| CAS No. | 88871-84-5 |
| Molecular Formula | C6H7NS2 |
| Molecular Weight | 157.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 5,6-Dihydro-4H-cyclopenta[d][1,3]thiazole-2-thiol (CAS 88871-84-5), a certified reference material (molecular formula C6H7NS2, MW 157.26 g/mol) for analytical method development and quality control.
Structurally, 5,6-Dihydro-4H-cyclopenta[d][1,3]thiazole-2-thiol (C6H7NS2) contains a nitrile group, sulfur-containing functionality, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 157.26 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), 5,6-Dihydro-4H-cyclopenta[d][1,3]thiazole-2-thiol meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C6H7NS2 |
| Molecular Weight | 157.26 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1982 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 2 |
Related Dihydro Standards
- 4,6-Dihydro-1H-[1,2]dithiino[4,5-c]pyrrole (CAS 173731-42-5)
- 7-Methyl-2,3-dihydro-1H-indene-4-carbonitrile (CAS 15085-20-8)
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- 2-Methoxy-2-(1-methyl-1H-pyrazol-4-yl)ethanethioamide (CAS 2138517-44-7)
- 2-((1,2,5-Trimethylpiperidin-4-yl)amino)ethan-1-ol (CAS 113556-56-2)
- 6-Chloro-4-methyl-2-(p-tolylthio)quinoline (CAS 338749-89-6)
- 3-(3,5-Dimethylisoxazol-4-yl)propanoyl chloride (CAS 358721-54-7)
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